pip(deps): bump botocore from 1.21.16 to 1.21.21 (#85)

Bumps [botocore](https://github.com/boto/botocore) from 1.21.16 to 1.21.21.
- [Release notes](https://github.com/boto/botocore/releases)
- [Changelog](https://github.com/boto/botocore/blob/develop/CHANGELOG.rst)
- [Commits](boto/botocore@1.21.16...1.21.21)

---
updated-dependencies:
- dependency-name: botocore
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements/S3_REQUIREMENTS.txt

@@ -1,4 +1,4 @@
 boto3==1.18.16
-botocore==1.21.16
+botocore==1.21.21
 hurry.filesize==0.9
 s3transfer==0.5.0